<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .div2{
            /*字母间距*/
            letter-spacing: 20px;
            /*单词间距，对汉字无效，也给汉字当作一个单词*/
            word-spacing: 20px;
        }
    </style>
</head>
<body>
<div>abc你好</div>
<div class="div2">abc你好</div>
</body>
</html>